/Engine/Source/Runtime/CoreUObject/Public/UObject/MetaData.h
Copy all metadata from the source object to the destination object. This will add to any existing metadata entries for SourceObject.
static void CopyMetadata ( [UObject](API\Runtime\CoreUObject\UObject\UObject) * SourceObject, [UObject](API\Runtime\CoreUObject\UObject\UObject) * DestObject )